Adjustable Drum Mallet With Threaded Beater Positioning

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Solution Overview

Problem

Conventional drum mallets have a fixed striking position, requiring multiple replacements for different drum sizes and pedal configurations, leading to inconvenience in use.

Innovation Solution

An adjustable drum mallet with a swinging element, adjusting seat, beater head, and locking elements, allowing for adjustable striking position adjustment via a threaded mechanism.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple drum mallets of different sizes are prepared to meet different striking position requirements, then the adaptability to different drum sizes is improved, but the device complexity and ease of operation deteriorate due to the need for replacement

Engineering Contradiction:
Improveadaptability to different drum sizesVSAvoidease of operation
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The drum mallet incorporates an adjustable mechanism that allows the beater head position to be dynamically changed along the swinging element. The threaded rod with adjusting seat and locking element enables the user to modify the striking position according to different drum sizes, transforming a static fixed-position mallet into a dynamic adjustable one, thereby eliminating the need for multiple mallet replacements

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The adjustable drum mallet design allows a single mallet to perform multiple functions by accommodating different striking positions for various drum sizes. The universal adjusting mechanism enables one mallet to replace multiple specialized mallets, improving versatility while reducing the complexity of managing multiple devices

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If multiple drum pedals of different sizes are used to accommodate different drum configurations, then the adaptability is improved, but the device complexity and ease of operation worsen due to replacement requirements

Engineering Contradiction:
Improveadaptability to different pedal drum sizesVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The drum pedal integrates an adjustable mechanism with a threaded rod, adjusting seat, and locking element that allows dynamic repositioning of the beater head along the swinging element. This dynamic adjustment capability enables the same pedal to adapt to different drum configurations without requiring multiple specialized pedals, thereby reducing device complexity while maintaining versatility

Inventive Principle:
Principle #15Dynamics

3Device complexity

If a fixed striking position is used in conventional drum mallets, then the device complexity is reduced, but the adaptability to different drum sizes deteriorates

Engineering Contradiction:
Improvedevice complexityVSAvoidadaptability to different drum sizes
Core Design Contradiction:
Device complexityVSAdaptability or versatility

Solution Approach 1:

The invention introduces a dynamic adjusting mechanism consisting of a threaded rod, adjusting seat, and locking element that allows the beater head position to be modified along the swinging element. This dynamic feature enables adaptation to different drum sizes while adding only minimal structural complexity, resolving the contradiction between simplicity and versatility

Inventive Principle:
Principle #15Dynamics

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enables flexible adjustment of the striking position to accommodate different drum sizes and pedal configurations without the need for multiple mallet replacements.

Implementation Method 1

the threaded through hole is provided for the threaded rod spirally passing through

Methodology Applied
Scientific EffectThreading: Screw

Implementation Method 2

the first locking element is capable of screwing into the first tightening screw hole and extended in the threaded through hole

Methodology Applied
Scientific EffectFriction: Friction

Data Source

PatentUS20260038466A1Adjustable drum mallet
Publication Date: 2026.02.05 LIAO TSUN CHI
  • US20260038466A1 patent drawing
  • US20260038466A1 patent drawing
  • US20260038466A1 patent drawing

AI summary

The present invention provides an adjustable drum mallet for a drum pedal, including a swinging element, an adjusting seat, a beater head, and a first locking element. The swinging element is fixed to the rotating base and includes a threaded rod. The adjusting seat includes a threaded through hole for the threaded rod spirally passing through, and a first tightening screw hole transversely penetrating the threaded through hole. The beater head is wrapped and fixed to the adjusting seat and exposes the threaded through hole and the first tightening screw hole, the first locking element is screwed into the first tightening screw hole and extended in the threaded through hole. Accordingly, the adjusting seat can be secured to the threaded rod by screwing the first locking element into the first tightening screw hole to compress the adjusting seat.